Send off, as rays
I believe the answer is:
emit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">send off as rays</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for emit that I've seen before include "Expel" , "Give out or put forth" , "Conductor; telegram (US)" , "Give off, heat say" , "Give out (eg light)" .)